MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=assessments+in+education+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the presence of a malicious redirector URL suggests the document's primary purpose is to lure the user to a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=assessments+in+education+pdf
- http://fedawar.thornappleplayers.org/uploads/1/3/0/8/130814328/babiguwena.pdf
- http://files.happyownerhappydog.com/uploads/1/3/0/8/130873826/noxejukikawil-jafukun-nalab.pdf
- http://files.mcfootball.org/uploads/1/3/0/7/130739155/nazufojikuke.pdf
- http://files.thehigginsreport.com/uploads/1/3/0/7/130738712/rapozoxetuju_savoxad_zopino_gezob.pdf
- https://cdn.shopify.com/s/files/1/0430/9286/9281/files/12939406795.pdf
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/52714788623.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/55375147655.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30036161276.pdf
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/kopopoxuboxaverefojajupuw.pdf
- https://cdn.shopify.com/s/files/1/0435/5804/3807/files/hallelujah_handel_organ.pdf
- https://cdn.shopify.com/s/files/1/0435/9490/7810/files/savelogebasitaroxuzin.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/dusewalesidovoxez.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/96210827904.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/66662169486.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000816c.bin762782da010e10709f6c809a6f3dffe1ab7858ee05b5bd6d8d3662f90cc41c8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x816C | 5160 bytes |
font_01_sfnt_off000092ee.bin0da4321f25b10b6d9693e2ee9074c9c54111298e4c01f5af8e08752b2379607a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92EE | 10060 bytes |
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